/* Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */

#pragma once

#include <vector>

#include "paddle/phi/core/distributed/auto_parallel/dist_meta_tensor.h"
#include "paddle/phi/core/distributed/type_defs.h"

namespace phi {
namespace distributed {

SpmdInfo FlattenInferSpmd(const DistMetaTensor& x,
                          int start_axis,
                          int stop_axis);

SpmdInfo FlattenInferSpmdReverse(const DistMetaTensor& x,
                                 const DistMetaTensor& out,
                                 int start_axis,
                                 int stop_axis);

SpmdInfo FlattenGradInferSpmd(const DistMetaTensor& xshape,
                              const DistMetaTensor& out_grad);
}  // namespace distributed
}  // namespace phi
